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Finding the Fourth Proportional to 473.32, 710.10 and 291.88

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Solution

The fourth proportional to 473.32, 710.10 and 291.88 is: 437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.32 : 710.10 = 291.88 : x
  2. Step 2: Convert to fraction form
    473.32/710.10 = 291.88/x
  3. Step 3: Cross multiply
    473.32x = 710.10 × 291.88
  4. Step 4: Simplify right side
    473.32x = 207,263.99
  5. Step 5: Solve for x
    x = 207,263.99/473.32
  6. Step 6: Final answer
    x = 437.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.